Genuine OEM Volkswagen Sixth Gear, part number 0A5311165L. This precision-machined gear is an integral component of the transmission's internal gearing system. It works in conjunction with other gears to establish specific gear ratios, allowing the vehicle to operate efficiently at various speeds and loads. This gear is located within the transmission case, typically on one of the main or counter shafts. Made from high-strength hardened steel, it measures approximately 80mm in diameter and 40mm high, weighing 0.624 kg. Using a genuine OEM gear ensures exact tooth profiles, material hardness, and dimensional tolerances, which are critical for smooth engagement, quiet operation, and the long-term durability of the transmission.